Calculus II Lecture Notes
Calculus II. Integral Calculus. Lecture Notes. Veselin Jungic & Jamie Mulholland. Department of Mathematics. Simon Fraser University c Draft date January 2
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Calculus II. Examen. (1er septembre 2021). Nom : Prénom : Section : Lisez ces quelques consignes avant de commencer l'examen.
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CONCEPTUAL DIFFERENTIAL CALCULUS PART II: CUBIC
PART II: CUBIC HIGHER ORDER CALCULUS. WOLFGANG BERTRAM. Abstract. Following the programme set CONCEPTUAL DIFFERENTIAL CALCULUS. II. 5. 1.7. Homogeneity.
Free Differential Calculus. II: The Isomorphism Problem of Groups
ANNALS OF MATHEMATICS. Vol. 59 No. 2
Course Code Course Title ECTS Credits MATH-191 Calculus II 8
Calculus II. 8. Department. Semester. Prerequisites. Computer Science. Fall Spring. MATH-190. Type of Course. Field. Language of Instruction. Required.
Wesleyan College
Calculus II. MAT 206 – Wesleyan College. Syllabus. Summer 2022 July 18 - August 19. Professor Contact Information. Professor: TBA.
Free Differential Calculus. II: The Isomorphism Problem of Groups
19 oct. 2007 Free Differential Calculus. II: The Isomorphism Problem of Groups. Ralph H. Fox. The Annals of Mathematics 2nd Ser.
Calculus II
MATH 152 Course Notes
Department. of Mathematics, SFU
Spring 2023
Copyright © 2023 Veselin Jungic and Jamie Mulholland, SFUSELFPUBLISHED
http://www.math.sfu.caLicensed under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 License (the
"License"). You may not use this document except in compliance with the License. You may obtain a copy of the License athttp://creativecommons.org/licenses/by-nc-sa/4.0/. Unless required by applicable law or agreed to in writing, software distributed under the License is dis- tributed on an"AS IS"BASIS,WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.First printing, August 2006
Contents
Preface.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Greek Alphabet.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 IPart One: Introduction to the Integral
1Integrals.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
1.1 Areas and Distances
141.2 The Definite Integral
191.3 The Fundamental Theorem of Calculus
281.4 The Net Change Theorem
341.5 The Substitution Rule
392Applications of Integration.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
2.1 Areas Between Curves
482.2 Areas in Polar Coordinates
522.3 Volumes55
2.4 Volumes by Cylindrical Shells
62 IIPart Two: Integration Techniques and Applications
3Techniques of Integration and Applications.. . . . . . . . . . . . . . . . . . . 69
3.1 Integration By Parts
703.2 Trigonometric Integrals
763.3 Trigonometric Substitutions
803.4 Integration of Rational Functions by Partial Fractions82
3.5 Strategy for Integration
893.6 Approximate Integration
953.7 Improper Integrals
1034Further Applications of Integration.. . . . . . . . . . . . . . . . . . . . . . . . . . . 109
4.1 Arc Length
1104.2 Area of a Surface of Revolution
1144.3 Calculus with Parametric Curves
118 IIIPart Three: Sequences and Series
5Infinite Sequences and Series.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
5.1 Sequences
1265.2 Series133
5.3 The Integral Test and Estimates of Sums
1395.4 The Comparison Test
1435.5 Alternating Series
1475.6 Absolute Convergence and the Ratio and Root Test
1515.7 Strategy for Testing Series
1565.8 Power Series
1605.9 Representation of Functions as Power Series
1645.10 Taylor and Maclaurin Series
1675.11 Applications of Taylor Polynomials
175 IVPart Four: Differential Equations
6A First Look at Differential Equations.. . . . . . . . . . . . . . . . . . . . . . . . . . 181
6.1 Modeling with Differential Equations, Directions Fields
1826.2 Separable Equations
1876.3 Models for Population Growth
194 VExam Preparation
7Review Materials for Exam Preparation.. . . . . . . . . . . . . . . . . . . . . . . 199
7.1 Midterm 1 Review Package
2007.2 Midterm 2 Review Package
2077.3 Final Exam Practice Questions
216 VIAppendix
Bibliography.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
Articles223
Books223
Web Sites223
Index.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225
PrefaceThis booklet contains the note templates for coursesMath 150/151 - Calculus Iat Simon Fraser University. Students are expected to use this booklet during each lecture by following along with the instructor, filling in the details in the blanks provided. Definitions and theorems appear in highlighted boxes.Next to some examples you"ll see [
link to applet ]. The link will take you to an online interactiveapplet to accompany the example - just like the ones used by your instructor in the lecture. The link
above will take you to the following url [Mul22] containing all the applets:Try it now.
Next to some section headings you"ll notice a QR code. They look like the image on the right. Each one provides a link to a webpage (could be a youtube video, or access to online Sage code). For example this one takes you to the Wikipedia page which explains what a QR code is. Use a QR code scanner on your phone or tablet and it will quickly take you off to the webpage. The app "Red Laser" is a good QR code scanner which isavailable for free (iphone, android, windows phone).We offer a special thank you to Keshav Mukunda for his many contributions to these notes.
No project such as this can be free from errors and incompleteness. We will be grateful to everyone who points out any typos, incorrect statements, or sends any other suggestion on how to improve this manuscript.Veselin Jungic Jamie Mulholland
vjungic@sfu.ca j_mulholland@sfu.caJanuary 13, 2023
Greek Alphabetlower
case capital name pronunciationlower case capital name pronunciationαAalpha (al-fah)νNnu (new)βBbeta (bay-tah)ξΞxi (zie)
γΓgamma (gam-ah)o Oomicron (om-e-cron)
δ∆delta (del-ta)πΠpi (pie)
εEepsilon (ep-si-lon)ρPrho (roe)
ηHeta (ay-tah)τTtau (taw)
θΘtheta (thay-tah)υϒupsilon (up-si-lon)ιIiota (eye-o-tah)φΦphi (fie)
κKkappa (cap-pah)χXchi (kie)
λΛlambda (lamb-dah)ψΨpsi (si)
µMmu (mew)ωΩomega (oh-may-gah)
I1Integrals.. . . . . . . . . . . . . . . . . . . . . . . . . . . 13
1.1 Areas and Distances
1.2 The Definite Integral
1.3 The Fundamental Theorem of Calculus
1.4 The Net Change Theorem
1.5 The Substitution Rule
2Applications of Integration.. . . . . . . . . . 47
2.1 Areas Between Curves
2.2 Areas in Polar Coordinates
2.3 Volumes
2.4 Volumes by Cylindrical ShellsPart One: Introduction to the
Integral
1. IntegralsIn this chapter we lay down the foundations for this course. We introduce the two motivating
problems for integral calculus: the area problem, and the distance problem. We then define the integral and discover the connection between integration and differentiation.14Chapter 1. Integrals1.1Ar easand Distances
(This lecture corresponds to Section 5.1 of Stewart"sCalculus.) One can never know for sure what a desertedarealooks like. (George Carlin, American stand-up Comedian, Actor and Author, 1937-2008)BIG Question.What is the meaning of the wordarea?
Vocabulary.Cambridge dictionary:
areanoun (a) a particular part of a place, piece of land or country; (b) the size of a flat surf acecalculated by multiplying its length by its width; (c) a subject or acti vity,or a part of it. (d) (W ikipedia)- Area is a ph ysicalquantity e xpressingthe sizeof a part of a surface.Example 1.1Find the area of the region in the coordinate plane bounded by the coordinate
axes and linesx=2 andy=3. Example 1.2Find the area of the region in the coordinate plane bounded by thex-axis and linesy=2xandx=3. Example 1.3Find the area of the region in the coordinate plane bounded by thex-axis and linesy=x2andx=3.1.1 Areas and Distances 15Example 1.4Estimatethe area of the region in the coordinate plane bounded by thex-axis and
curvesy=x2andx=3.16Chapter 1. IntegralsExample 1.5(Over- and under-estimates.)In the previous example, show that
lim n→∞Rn=9 and limn→∞Ln=9.A more general formulation.
Ingredients: A functionfthat is continuous on a closed interval[a,b].Letn∈N, and define∆x=b-an
Let x 0=a x1=a+∆x
x2=a+2∆x
x3=a+3∆x
x n=a+n∆x=b.Define
R("R" stands for "right-hand", since we are using the right hand endpoints of the little rectangles.)Definition 1.1.1 - Area.TheareaAof the regionSthat lies under the graph of the continuous
functionfover and interval[a,b]is the limit of the sum of the areas of approximating rectanglesRn. That is,
The more compactsigma notationcan be used to write this asA=limn→∞Rn=limn→∞
n∑ i=1f(xi)! ∆x.1.1 Areas and Distances 17
Example 1.6Find the area under the graph off(x) =100-3x2fromx=1 tox=5. From the definition of area, we haveA=limn→∞ n∑ i=1f(xi)! ∆x.Distance Problem.Find the distance traveled by an object during a certain time period if the velocity of the object is known at all times.Reminderdistance = velocity·time18Chapter 1. IntegralsAdditional Notes:
1.2 The Definite Integral 19
1.2The Definite Integral
(This lecture corresponds to Section 5.2 of Stewart"sCalculus.)After years of finding mathematics easy, I finally reached integral calculus and came up against
a barrier. I realized that this was as far as I could go, and to this day I have never successfully gone beyond it in any but the most superficial way. (Isaac Asimov, Russian-born American author and biochemist, best known for his works of science fiction, 1920-1992) Definition 1.2.1 - The Definite Integral.Supposefis a continuous function defined on the closed interval[a,b], we divide[a,b]intonsubintervals of equal width∆x= (b-a)/n. Let x0=a,x1,x2, ...,xn=b
be the end points of these subintervals. Let x ∗1,x∗2,...,x∗n be anysample pointsin these subintervals, sox∗ilies in theith subinterval[xi-1,xi]. Then thedefinite integral of f from a to bis written asZ b af(x)dx, and is defined as follows: Zb af(x)dx=limn→∞n∑ i=1f(x∗i)∆x20Chapter 1. IntegralsThe definite integral: some terminology
Z b af(x)dx=limn→∞n∑ i=1f(x∗i)∆x Z is theintegral signf(x)is theintegrand
aandbare thelimits of integration:
•a-lower limit •b-upper limit The procedure of calculating an inte gralis called integration.n∑
i=1f(x∗i)∆xis called aRiemann sum (named after the German mathematician Bernhard Riemann,1826-1866)Four Facts.
(a)If f(x)>0 on[a,b]thenZ
b af(x)dx>0.Iff(x)<0 on[a,b]thenZ
b af(x)dx<0. (b)F ora general function f,
Z b af(x)dx=(signed area of the region) = (area abovex-axis) - (area belowx-axis) (c) F ore veryε>0 there exists a numberN∈Nsuch that Z b af(x)dx-n∑ i=1f(x∗i)∆x for everyn>Nand every choice ofx∗1,x∗2,...,x∗n. (d)Letfbe continuous on[a,b]and leta=x0Some facts you just have to know.
1 (a) n∑ i=1i=n(n+1)2 (b) n∑ i=1i2=n(n+1)(2n+1)6 (c) n∑ i=1i3=n(n+1)2 2 (d) n∑ i=1c=cn (e) n∑ i=1(cai) =cn∑ i=1a i (f) n∑ i=1(ai±bi) =n∑ i=1a i±n∑ i=1bi1For visual proofs of (a) and (b) see [Gol02]: Goldoni, G. (2002)A visual proof for the sum of the first n squares
and for the sum of the first n factorials of order two. The Mathematical Intelligencer 24 (4): 67-69. You can access the
Mathematical Intelligencer through the SFU Library web site:http://cufts2.lib.sfu.ca/CJDB/BVAS/journal/
150620.
22Chapter 1. IntegralsExample 1.7EvaluateZ2
0(x2-x)dx.Example 1.8Express the limit
lim n→∞n∑ i=1(1+xi)cosxi∆x as a definite integral on the interval[π,2π].Example 1.9ProveZ20p4-x2dx=π.
1.2 The Definite Integral 23Theorem 1.2.1- Choosing a good sample point . ...Midpoint Rule.To approximate an
integral it is usually better to choosex∗ito be the midpointx iof the interval[xi-1,xi]: Z b af(x)dx≈n∑ i=1f(x i)∆x=∆x[f(x1)+f(x
2)+...+f(x
n)] Recall the midpoint of an interval[xi-1,xi]is given byx i=12 (xi-1+xi).Example 1.10Use the Midpoint Rule withn=4 to approximate the integralZ 5 1dxx 2.24Chapter 1. IntegralsTheorem 1.2.2- T woSpecial Pr opertiesof the Integral.
(a)If a>bthenZb
af(x)dx=-Z a bf(x)dx. (b)If a=bthenZb
af(x)dx=0.Some More Properties of the Integral.
(a)If cis a constant, thenZ
b acdx=c(b-a) (b) Z b a[f(x)±g(x)]dx=Z b af(x)dx±Z b ag(x)dx (c)If cis a constant, thenZ
b acf(x)dx=cZ b af(x)dx (d) Z c af(x)dx+Z b cf(x)dx=Z bquotesdbs_dbs22.pdfusesText_28[PDF] Calculus Made Easy - Djmcc
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